Pollen Count in Vantaa
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In Vantaa, Finland, there are three main pollen seasons. The first one is birch pollen season. It usually starts in late April and lasts for about two weeks.
Updated: 2/9/2026
During this time, birch trees release tiny particles into the air. These particles make people with allergies feel uncomfortable. They can cause itchy eyes, runny noses, and sneezing.
In May, grasses and other plants start to bloom. This is the second pollen season. It lasts for about four weeks. The air is filled with even more tiny particles.
In late July and early August, mold spores become a problem. This is the third pollen season. It's shorter than the others, lasting only about two weeks. But it can still cause discomfort.
Pollen Forecast Chart
Recommendations
When pollen concentrations reach a peak, we suggest these simple steps to help with hay fever. These tips are extra important on windy days when plants are in peak anthesis (the time when they release the most pollen).
- Wear masks if necessary
- Shower after going out
- Wear sunglasses if windy
- Close windows and doors
- Use an indoor air purifier
- Avoid wearing woolen clothes outside
- Limit outdoor activities
Annual Pollen Overview
Check out this month-by-month overview of the daily average pollen count in Vantaa 🌾. This data is based on previous years and serves as a guideline to help you understand when different pollen seasons typically occur in your city.
| Alder | Birch | Grass | Mugwort | Olive | Ragweed | |
|---|---|---|---|---|---|---|
| Jan | 0.1 | 0 | 0 | 0 | 0 | 0 |
| Feb | 1.4 | 0 | 0 | 0 | 0 | 0 |
| Mar | 831.6 | 10.5 | 0 | 0 | 0 | 0 |
| Apr | 418.8 | 3532.6 | 0 | 0 | 0 | 0 |
| May | 1.6 | 9515.5 | 10.3 | 0 | 0 | 0 |
| Jun | 0 | 53 | 193.2 | 0.3 | 0 | 0 |
| Jul | 0 | 3.4 | 319.4 | 99.1 | 0 | 0 |
| Aug | 0 | 0 | 49.5 | 41.3 | 0 | 0.1 |
| Sep | 0 | 0 | 3 | 0.3 | 0 | 63.9 |
| Oct | 0 | 0 | 0.1 | 0 | 0 | 0 |
| Nov | 0 | 0 | 0 | 0 | 0 | 0 |
| Dec | 0 | 0 | 0 | 0 | 0 | 0 |
(15 km)